diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 56b0dd9..614d888 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -20,6 +20,8 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
     with:
+      build-args: |
+        VERSION=${{ github.ref_type == 'tag' && github.ref_name || github.sha }}
       output: image
       push: ${{ github.event_name != 'pull_request' }}
       platforms: linux/amd64,linux/arm64
diff --git a/Dockerfile b/Dockerfile
index 143262f..49a99ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,9 +12,10 @@ COPY . .
 # Architecture and OS are set dynamically (by BuildKit)
 ARG TARGETOS
 ARG TARGETARCH
+ARG VERSION=dev
 ENV CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH
 
-RUN go build -o anonymousoverflow && go build -o healthcheck ./src/healthcheck
+RUN go build -ldflags="-X anonymousoverflow/config.Version=${VERSION#v}" -o anonymousoverflow && go build -o healthcheck ./src/healthcheck
 
 FROM scratch
 
diff --git a/config/version.go b/config/version.go
index d2a1fa2..f356490 100644
--- a/config/version.go
+++ b/config/version.go
@@ -1,3 +1,3 @@
 package config
 
-var Version = "1.13.0"
+var Version = "dev"